Russian experts question the ultrasound treatment of brain cancer December 12, 2018 Source: Science and Technology Daily Stanford University recently said that the school scientists have developed a method of using ultrasound to deliver drugs to the brain to treat tumors, achieving half-millimeter accuracy and ready for human testing. Russian experts have questioned this therapy. Victor Tymoshenko, a professor at the Institute of Biomedical Engineering Physics at the Moscow State Institute of Engineering Physics at the Russian National University of Nuclear Research, said: "The Stanford team studied the effects of focused pulsed ultrasound on the designated brain regions of experimental animals (ie rats). A submicron biopolymer capsule (400 nm) soaked with the latest profopol can be applied in advance. Although the inventor is very optimistic and is ready to study the potential of this technology for patients, it cannot be said that the brain has been addressed. All the problems of delivering drugs." Tymoshenko said that, first of all, the drug container itself cannot overcome the blood-brain barrier. Ultrasound may indeed lead to a “cracking†of the blood-brain barrier, but this study may combine several methods. Second, the experiment was carried out on the open brain of a relatively small animal with only one brain-inhibiting drug model, so the rapid transition from these studies to the treatment of other diseases, such as human brain tumors, is almost impossible. In addition, the Stanford team used ultrasounds that were several times lower than the amount of ultrasound used in disrupting (ablation) medical organizations. Such ultrasound has little therapeutic effect because it can cause localized heating and brain tissue damage at the cell level (the effect can be compared to hitting the head with a hammer).
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